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Table of contents for the manual
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Page 1
Instr uctions-P ar ts Integrated Air Contr ol Modules 311239H EN Integrated air contr ols f or use with NXT ® Model 2200, 3400, and 6500 Air Motors. For prof essional use only . 100 psi (0.69 MP a, 6.9 bar) Maximum Regulated W or king Pressure NXT011, Series E With lock ing air regulator and 110 psi (0.76 MP a, 7.6 bar) relief v alve NXT021, Serie[...]
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Page 2
Related Manua ls 2 311239H Contents Related M anuals . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 W arnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 T roub[...]
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Page 3
Warnings 311239H 3 Wa r n i n g s The f ollo wing warnings are f or the setup , use , groun ding, maintenance , and repair of this equipme nt. The e xclama- tion point symbol ale r ts you to a gener al wa r ning and th e haza rd symbols ref er to procedur e-specific risks. Ref er bac k to these W arnings. Additiona l, product-specific w arnings may[...]
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Page 4
Installation 4 311239H Installation Air Control Modules NXT011 and NXT 031 (loc king air regulator) and NXT021 (non-loc king air re gula- tor) are a v ailab le. 1. Install supplied o-ring (43) int o counterbore on upper side of air control mod ule (D). F asten module to air motor (M) with tw o supplied scre ws (44). Start threading scre ws by hand [...]
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Page 5
Operation 311239H 5 Operation Component Identification Bleed-type Master Air V alve (B) The b leed-type maste r air va lv e is required in y our sys- tem to reliev e air trapped between it and the air mot or when the v alve is closed. Air Regulator (C) Adjusts air pressure to the mot or and fluid outlet pr es- sure of pump. Vie w the gauge (D) to r[...]
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Page 6
Operation 6 311239H Star tup Loc king Regulator (NXT011 and NXT031 onl y) Shutdown 1. T ur n air regulator knob (C) fully countercloc kwise. 2. Open b leed-type master air v alv e (B). 3. T urn air regulator knob (C) clockwise until air pres- sure reaches desired setpoint. C TI8322c B TI8236c C TI8236c 1. T o loc k pressure setpoint, push knob (C) [...]
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Page 7
Troubleshooting 311239H 7 T r oub leshooting Prob lem Cause Solution Excess air leaking from regulat or housing, or ga uge shows unstab le regulated pr essure. Loose or w orn diaphragm (1 7d). Tighten h ousing or rep air regulator using repair ki t NXT095. See page 10. W orn seat (17e) or poppet (17f). Repair regulator using repair kit NXT095. See [...]
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Page 8
Troubleshooting 8 311239H Gauge pressure increases abo v e set point pressure . Leak across rear spoo l (8) o-ring, which raises pilot air pressure e ven while spra ying. Replace spool assemb ly (8) with spool kit NXT098. Leak across front spool (8) o-ring, which raises air mo tor pressure when stalled. Replace spool assemb ly (8) with spool kit NX[...]
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Page 9
Repair 311239H 9 Repair Pressure Relief Pr ocedure Replace Filter Element Replace Gauge F ollow Pressure Rel ief Proced ure when y ou stop spra ying and be f ore cleaning, chec king, or servicing equipment. 1. Close blee d-type master air v alv e (B). 2. Mak e sure gauge (D) reads z ero (0). If not, pull on pressure relief ring to b leed off air pr[...]
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Page 10
Repair 10 311239H Spool Repair Kit NXT098 Regulator Repair Kit NXT095 Quic k Exhaust Repair Kit NXT099 1. Relie v e pressure , page 9. 2. See Pa r t s dra wing, page 12. Using a 1/ 4 in. drive ratchet or a 3/8 in. deep w ell soc ket, remov e 2 screw s (37). Use a 3/8 in. open- end wrench to remov e t he third scre w (37) and disassemb le front cov [...]
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Page 11
Repair 311239H 11 Ball V a lve Seal Repair Kit NXT097 1. Relie v e pressure , page 9. 2. See Par t s dra wing, page 12. Remov e the inlet fitting (32a) using a 1 5/16 in. wre nch. 3. See F IG . 2. Mov e the handle to the 7:30 po sition. Remov e the outboard seal ( 32b) with an o-ring pic k. 4. See F IG . 2. Mov e the handle to the 6:00 po sition. R[...]
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Page 12
Parts 12 311239H Pa r t s NXT011 and NXT031 Loc king Integrated Air Contr ol Module NXT021 Non-Loc king Integrat ed Air Contr ol Module TI8323b 43 44 1 2 3 4 5 6 7 8 16 38 31 18 34 35 33 32a 32b 32c 32d 37 37 32e 32f 32g 32h 32j 32k 20a 20b 20c N TI8234d 50 T orque to 140 in-lb (16 N•m). T orque to 500 in-lb (56 N•m). T orque to 240 in-lb (27 N[...]
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Page 13
Accessories 311239H 13 * P arts included in Seal Repair Kit NXT096 (purchase separately). Recommended spare par ts. K eep on hand to a v oid downtime. † P ar ts included in Air Regulator Repair Kit NXT095 (purchase separ ately .) Accessories Ref. No. Part No. Des cription Qty 1 15G298 HOUSING, right 1 2 15G299 HOUSING, left 1 3* 15G439 GASKET[...]
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Page 14
Schematic Diagram 14 311239H Schematic Dia gram Air Filter Bleed-T ype Ball V alve Ov er pressure Saf ety Relief V alve Quick Air Purge AIR IN Air Pressure Gauge Spool A TMOSPHERE Air Regulat or Adjustment Knob TO M O TO R Supply Pressure Regulated Pressure Pilot Pressure Pilot V alve Pilot V ent Diaphragm Atmosphe re[...]
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Page 15
Technical Data 311239H 15 Te c h n i c a l D a t a Maximum air inlet pressur e 140 psi (0.97 MP a, 9. 7 bar) Maximum regula ted workin g pressure 100 psi (0 .69 MP a, 6.9 bar) Maximum operating temperature 140°F (60° C) Air Inlet Siz e 3/4 npt(f) Air Gauge P or t Size 1/8 npt(m) Height 6.5 in. (165 mm) Width 6.75 in. (1 71 mm) Depth 4.75 in. (121[...]
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Page 16
All written and visual data contained in this document reflects the latest product information available at the time of publica tion. Graco reserves the right to make changes a t any time without notice. Original instructions. This manual contains English. MM 311239 Graco Headquarters: Minneapolis International Offices: Belgium, China, Japan, Korea[...]